code: def solve(a, b):
      a, b = promote_types_of_numpy_inputs(a, b)
      return ivy.solve(a, b)
  
file_path: ivy/ivy/functional/frontends/numpy/linalg/solving_equations_and_inverting_matrices.py
imports: import ivy
  from ivy.functional.frontends.numpy.func_wrapper import to_ivy_arrays_and_back
  from ivy.func_wrapper import with_unsupported_dtypes
  from ivy.functional.frontends.numpy import promote_types_of_numpy_inputs
  from ivy.functional.frontends.numpy.linalg.norms_and_other_numbers import matrix_rank
label_desc: Use image node_id 4 for calling a global function with example usage: solve(a, b) and returns: ivy